import { ImageFormatCode, ImageLayer, ImageViewerAPI, ImageViewerPluginAPI, PluginType, Size } from "./ImageViewer";
/**
 * Page tools toolbar button key.
 */
export type PageToolButtonKey = "rotate-image" | "flip-horizontal" | "flip-vertical" | "crop-image" | "resize-image" | "$split" | "edit-undo" | "edit-redo";
/**
 * PageToolsPlugin options.
 */
export type PageToolsPluginOptions = {
    /**
     * The position where the "Page tools" button should be inserted. Use `false` or `-1` to skip insertion. Undefined means the position will be determined automatically.
     */
    buttonPosition?: number | false;
    /**
     * The page tools toolbar layout.
     * @default
     * Default layout:
     * ["rotate-image", "flip-horizontal", "flip-vertical", "crop-image", "resize-image"]
     * @example
     * ```javascript
     * <script src="gcimageviewer.js"></script></head>
     * <script src="plugins/pageTools.js"></script>
     * <script>
     *   const viewer = new DsImageViewer("#root");
     *   const pageToolsPlugin = new PageToolsPlugin( { toolbarLayout: ["rotate-image", "flip-horizontal"] } );
     *   viewer.addPlugin(pageToolsPlugin);
     * </script>
     * ```
     */
    toolbarLayout?: PageToolButtonKey[];
};
/**
 * Defines Page Tools Plugin API.
 * @ignore exclude API interface from docs since it is documented by implementing class.
 */
export interface PageToolsPluginAPI extends ImageViewerPluginAPI {
    /**
     * Plugin options
     */
    options: PageToolsPluginOptions;
    /**
     * Gets current rotation in degrees.
     */
    readonly totalRotation: number;
    /**
     * Rotate image.
     * @param angle Angle to rotate an image.
     */
    rotate(angle: number): Promise<boolean>;
    /**
     * Crop image.
     * @param {number} x Leftmost point of a new image rectangle
     * @param {number} y Topmost point of a new image rectangle
     * @param {number} width Width a new image rectangle
     * @param {number} height Height a new image rectangle
     * @returns {Promise<boolean>} Whether transformation was applied successfully or not.
     */
    crop(x: number, y: number, width: number, height: number): Promise<boolean>;
    /**
     * Resize image.
     * @param {number} width New image width.
     * @param {number} height New image height
     * @param {boolean} keepAspectRatio Explicitly defines a need of keeping an original image aspect ratio. Defaults to true.
     */
    resize(width: number, height: number, keepAspectRatio: boolean): Promise<boolean>;
    /**
     * Flip image.
     * @param {boolean} horizontal Flip horizontally. True by default.
     * @param {boolean} horizontal Flip horizontally. False by default.
     * @returns {Promise<boolean>} Whether transformation was applied successfully or not.
     */
    flip(horizontal: boolean, vertical: boolean): Promise<boolean>;
    /**
     * Flip image horizontally.
     * @returns {Promise<boolean>} Whether transformation was applied successfully or not.
     */
    flipHorizontal(): Promise<boolean>;
    /**
     * Flip image vertically.
     * @returns {Promise<boolean>} Whether transformation was applied successfully or not.
     */
    flipVertical(): Promise<boolean>;
}
/**
 * Page Tools Plugin.
 * Adds the "Page tools" button.
 * @example
 * ```html
 * <script src="gcimageviewer.js"></script></head>
 * <script src="plugins/pageTools.js"></script>
 * <script>
 *   const viewer = new DsImageViewer("#root");
 *   viewer.addPlugin(new PageToolsPlugin());
 * </script>
 * ```
 */
export declare class PageToolsPlugin implements PageToolsPluginAPI {
    constructor(options?: PageToolsPluginOptions);
    viewer: ImageViewerAPI;
    options: PageToolsPluginOptions;
    totalRotation: number;
    rotate(angle: number): Promise<boolean>;
    crop(x: number, y: number, width: number, height: number): Promise<boolean>;
    resize(width: number, height: number, keepAspectRatio: boolean): Promise<boolean>;
    flip(horizontal: boolean, vertical: boolean): Promise<boolean>;
    flipHorizontal(): Promise<boolean>;
    flipVertical(): Promise<boolean>;
    paintLayer: ImageLayer;
    isReady: boolean;
    naturalSize: Size;
    isImageFormatSupported(imageFormat: string | ImageFormatCode, allowUnknown?: boolean): boolean;
    dispose(): void;
    removePaintLayer(): void;
    id: PluginType;
    initialize(viewer: ImageViewerAPI): void;
}
declare global {
    interface Window {
        PageToolsPlugin: typeof PageToolsPlugin;
    }
}